/*
 * Copyright (c) 2020 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.transitionseverywhere.utils;

import harmony.util.IntProperty;
import ohos.agp.components.ProgressBar;
import ohos.utils.ObjectAttribute;

public class ProgressAnimator extends BaseProgressAnimator {

    private int mStartProgress;
    private int mEndProgress;

    protected ProgressAnimator(Object target, IntProperty property) {
        super(target, property);
    }


    public static <T> ProgressAnimator ofProgress(ProgressBar target, ObjectAttribute<ProgressBar, Integer> property, int startProgress, int endProgress) {
        ProgressAnimator animator = null;
        if (target != null && property != null) {
            animator = new ProgressAnimator(target, (IntProperty) property);
            animator.mStartProgress = startProgress;
            animator.mEndProgress = endProgress;
        }
        return animator;
    }


    protected static int interpolate(float fraction, int startValue, int endValue) {
        float diff = endValue - startValue;
        return Math.round(startValue + (diff * fraction));
    }
    @Override
    protected Integer applyAnimatedFraction(Integer progress, float fraction) {
        progress = interpolate(fraction, mStartProgress, mEndProgress);
        return progress;
    }
}
